The Pro Series cylinder head bolts from ARP are cold-forged to ensure molecular integrity. They are heat-treated prior to thread rolling and machining, and are rated at a whopping 190,000 psi. The Pro Series are also available with hex and 12-point heads. All kits come complete with hardened parallel washers for even load distribution and accurate torque readings.

More From This Category

ARP Cylinder Head Stud, Pro-Series, 12-point Nut, For Chevrolet SB, Brodix -12, & Brodix 18 , Kit

ARP Cylinder Head Stud, Pro-Series, 12-point Nut, For Chevrolet SB, Brodix -12, & Brodix 18 , Kit

$483.50

ARP Cylinder Head Stud, Pro-Series, 12-point Nut, For Chevrolet SB, Pro Action 14 Heads w/ Tall Deck Block, Kit

ARP Cylinder Head Stud, Pro-Series, 12-point Nut, For Chevrolet SB, Pro Action 14 Heads w/ Tall Deck Block, Kit

$565.27

ARP Cylinder Head Stud, Pro-Series, 12-point Nut, For Chevrolet SB, Rodeck Aluminium Block, 23 Aftermarket, Kit

ARP Cylinder Head Stud, Pro-Series, 12-point Nut, For Chevrolet SB, Rodeck Aluminium Block, 23 Aftermarket, Kit

$544.49